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Key findings

  • The highest monthly average temperature in Myrtle Beach for July is 81.3 degrees
  • The lowest monthly average temperature in Myrtle Beach for January is 47.7 degrees
  • The most monthly precipitation in Myrtle Beach occurs in October with 13.6 inches
  • The air quality index in Myrtle Beach is 72% better than the national average
  • The pollution index in Myrtle Beach is 81% better than the national average

Compare Myrtle Beach, SC Weather

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      Myrtle Beach Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January39°F57°F48°F5.8"
      February41°F59°F49°F4.3"
      March47°F65°F56°F6.0"
      April56°F73°F64°F7.8"
      May64°F79°F71°F5.1"
      June72°F86°F79°F6.3"
      July74°F89°F81°F11.0"
      August74°F88°F81°F7.7"
      September69°F84°F76°F7.7"
      October58°F76°F66°F13.6"
      November47°F67°F56°F9.1"
      December43°F61°F51°F5.3"

      Myrtle Beach air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexMyrtle BeachSouth CarolinaNational
      Air quality index143750
      Pollution index940,5213,325,3185,066,862

      Myrtle Beach air quality information

      MeasurementTotal
      Days measured92
      Days with good air quality91
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Myrtle Beach air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly Myrtle Beach temperature with heat index

      Myrtle Beach monthly precipitation with daily maximum

      Myrtle Beach monthly snow depth with daily maximum

      Myrtle Beach monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bucksport, SC8051472%
      Socastee, SC22,7861472%
      Conway, SC20,6311472%
      Murrells Inlet, SC9,1611472%
      Surfside Beach, SC4,1951472%
      Myrtle Beach, SC30,1061472%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Orcutt, CA30,109468%
      Helena, MT30,1024020%
      Burlingame, CA30,1184314%
      Holly Springs, NC30,126468%
      Lawrenceville, GA30,1273726%
      Myrtle Beach, SC30,1061472%
      Source: The Myrtle Beach, SC weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.